package com.example.leetcode.string;

import com.example.leetcode.string.common.StringUtils;

class Solution2309 {
    public String greatestLetter(String s) {
        return StringUtils.greatestLetter(s);

    }
}

public class leetcode2309 {
    public static void main(String[] args) {
        Solution2309 solution2309 = new Solution2309();
        System.out.println(solution2309.greatestLetter("arRAzFif"));
    }
}
